If you're really considering Envoy, have a chat with someone that has been there a few years. Envoy pilots have arguably the worst relationship with management compared to any pilot group right now. Look at the volatility of their bases and how they're treated by management. Do you really think AA will honor these flows when it destroys their regional feed? Just take a look at history.
Secondly - the number of retirements over the next 2-3 years is staggering. Virtually everyone that wants a job at a major without any major issues on their application will have one. Why would you "hope to flow" in 6 years when there are endless opportunities on the horizon?